<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <input type="text" placeholder="员工姓名" v-model="e.name">
    <input type="text" placeholder="员工工资" v-model="e.sal">
    <input type="text" placeholder="员工工作" v-model="e.job">
    <input type="button" value="添加员工" @click="add()">
  <table border="1">
      <caption>员工列表</caption>
      <tr>
          <th>序号</th><th>姓名</th><th>工资</th><th>工作</th><th>操作</th>
      </tr>
      <tr v-for="(emp,i) in arr">
          <td>{{i+1}}</td><td>{{emp.name}}</td>
          <td>{{emp.sal}}</td><td>{{emp.job}}</td>
          <td><input type="button" value="删除" @click="del(i)"></td>
      </tr>
  </table>
</div>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
  let v = new Vue({
    el:"body>div",
    data:{
      e:{name:"",sal:"",job:""},
        arr:[{name:"张三",sal:"3000",job:"销售"},
            {name:"李四",sal:"4000",job:"人事"}]
    },
    methods:{
        add(){
            //创建一个新对象 数据来自于双向绑定的员工对象e
            v.arr.push({name:v.e.name,sal:v.e.sal,job:v.e.job});
        },
        del(i){
            //从数组中删除元素 splice(位置,数量)
            v.arr.splice(i,1);
        }
    }
  })
</script>
</body>
</html>